An oracle asm Rebalance-based data migration method and device
A data and migration speed technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as heavy workload, occupying host resources, and long downtime, so as to achieve no cost, ensure data security, The effect of reducing downtime
Inactive Publication Date: 2017-02-15
ZHENGZHOU YUNHAI INFORMATION TECH CO LTD
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Problems solved by technology
[0002] With the continuous development of information technology, cloud computing, big data, virtualization and other technologies have changed the application mode of traditional IT, customers' demand for storage systems is gradually increasing, and the old storage systems in the past can no longer meet customers' requirements for functions and performance. The upgrade and even replacement of the storage system is imminent, and the replacement of the storage system involves the problem of data migration
[0003] There are three types of data migration solutions in the prior art: The first is host-based data migration. This data migration mode does not depend on the brand and architecture of storage devices, but is related to operating systems and applications. If you use third-party software, you generally need to purchase a license. In addition, it will take up a lot of host resources and affect the normal operation of the business; the second is data migration based on the functions of the storage device itself, which requires The source storage and destination storage of the migration are isomorphic storage of the same manufacturer, and a data replication license needs to be purchased, so this solution has great limitations; the third method is tape backup / restore, but the data rate of backup / restore is slow and requires downtime Long, and the workload at the system and application level is heavy, and the reliability is low. This solution is only suitable for the transplantation of small amounts of data
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[0041] The core idea of the present invention is to provide a data migration method and device based on oracle asm rebalance, which can migrate business data on the old storage system to the new storage system more quickly, without expenditure, and ensure data security, data Consistency, reduce user downtime, and minimize the impact of the migration process on the host business.
[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0043] The first data migration method based on oracle asm Rebalance provided ...
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The invention provides an oracle asm Rebalance-based data migration method and device. The method comprises the steps of replacing an old voting disk with a new voting disk; replacing an old OCR with a new OCR; executing the command of adding new disks to an asm disk pack and performing first automatic Rebalance; executing the command of deleting old disks from the asm disk pack and performing second automatic Rebalance. The oracle asm Rebalance-based data migration method and device can transfer business data on an old storage system to a new storage system more rapidly, requires no expenses, and can guarantee the safety and consistency of data, reduce shutdown time of users and reduce the influence of a migration process on host businesses to a minimum.
Description
technical field [0001] The invention belongs to the technical field of data storage, in particular to an oracle asm rebalance-based data migration method and device. Background technique [0002] With the continuous development of information technology, cloud computing, big data, virtualization and other technologies have changed the application mode of traditional IT, customers' demand for storage systems is gradually increasing, and the old storage systems in the past can no longer meet customers' requirements for functions and performance. The upgrade and even replacement of the storage system is imminent, and the replacement of the storage system involves data migration. [0003] There are three types of data migration solutions in the prior art: The first is host-based data migration. This data migration mode does not depend on the brand and architecture of storage devices, but is related to operating systems and applications. If you use third-party software, you gene...
Claims
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Login to View More IPC IPC(8): G06F17/30
CPCG06F16/214
Inventor 李梦思
Owner ZHENGZHOU YUNHAI INFORMATION TECH CO LTD